Fix typo in application controller,
Fix typo in application controller,

user_agent_locale => user_agent_locales
rahouldatta/teambox,nfredrik/teambox,teambox/teambox,irfanah/teambox,irfanah/teambox,teambox/teambox,rahouldatta/teambox,vveliev/teambox,vveliev/teambox,teambox/teambox,vveliev/teambox,rahouldatta/teambox,vveliev/teambox,nfredrik/teambox,nfredrik/teambox,irfanah/teambox,irfanah/teambox,nfredrik/teambox